Question

(3x-1)^2-(3x-2)(3x+1)​

Answer 1

Answer:3-3x

Explanation:

= (3x-1)^2-(3x-2)(3x-1)

= (9x)^2-1-6x-(9x^2+3x-6x-2)

= -6x+6x+1-3x+2

= 3-3x

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Answer 2

Answer:

(3x-1)^2-(3x-2)(3x+1)=3-3x

Explanation:

(3x-1)^2-(3x-2)(3x+1)

[(3x)^2+(1^2)-(2×3x×1)]-(9x^2+3x-6x-2)

[9x^2+1-6x]-(9x^2-3x-2)

9x^2+1-6x-9x^2+3x+2

9x^2-9x^2+1+2-6x+3x

0+3-3x

3-3x

I hope it will be helpful.